问题
选择题
They have a good knowledge of English but little they know about German. [ ]
A. have
B. did
C. had
D. do
答案
答案：D
搜题请搜索小程序“爱下问搜题”
They have a good knowledge of English but little they know about German. [ ]
A. have
B. did
C. had
D. do
答案：D